Square plate



FIG. 1 is a front perspective view of the inventive square plate;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top planar view thereof; and,

FIG. 6 is a bottom planar view thereof. 

The ornamental design for a square plate, as shown. 